Override ON_COMMAND(ID_FILE_SAVE, CWinApp::OnFileSave)

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I have successfully overrode the ON_COMMAND(ID_FILE_OPEN, CWinApp::OnFileOpen) function in an SDI app, but no chance with ON_COMMAND(ID_FILE_SAVE, CWinApp::OnFileSave), The base one is always called ! :(
Any ideas !

Help me please.

Posted 23-Jun-11 9:16am

Mr. Tomay

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TRK3 · Accepted Answer · 2011-06-23T09:44:00

See:

http://msdn.microsoft.com/en-us/library/11861byt(v=vs.80).aspx[^]

OnFileSave is not a member of CWinApp. See:

http://msdn.microsoft.com/en-us/library/kayts37a(v=vs.80).aspx[^]

OnFileSave is a member of CDocument.

The problem you are having is that the ID_FILE_SAVE message is routed to the open CDocument first -- which handles the message. The message never gets routed to the app so your ID_FILE_SAVE message handling at the app level never gets invoked.

(You might want to read up on message routing in Win32 / MFC, start with: http://msdn.microsoft.com/en-us/library/xt2c310k(v=vs.80).aspx[^])